1023144311442 has 32 divisors (see below), whose sum is σ = 2247098425344. Its totient is φ = 307990458000.

The previous prime is 1023144311429. The next prime is 1023144311447. The reversal of 1023144311442 is 2441134413201.

It is a happy number.

1023144311442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1023144311442² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1023144311447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51321778 + ... + 51341709.

It is an arithmetic number, because the mean of its divisors is an integer number (70221825792).

Almost surely, 2^{1023144311442} is an apocalyptic number.

1023144311442 is an abundant number, since it is smaller than the sum of its proper divisors (1223954113902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023144311442 is a wasteful number, since it uses less digits than its factorization.

1023144311442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102663654.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1023144311442 its reverse (2441134413201), we get a palindrome (3464278724643).

The spelling of 1023144311442 in words is "one trillion, twenty-three billion, one hundred forty-four million, three hundred eleven thousand, four hundred forty-two".